FI71430C - Foerfarande foer maetning av finmaterial i pappersmassa - Google Patents
Foerfarande foer maetning av finmaterial i pappersmassa Download PDFInfo
- Publication number
- FI71430C FI71430C FI820943A FI820943A FI71430C FI 71430 C FI71430 C FI 71430C FI 820943 A FI820943 A FI 820943A FI 820943 A FI820943 A FI 820943A FI 71430 C FI71430 C FI 71430C
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- measured
- light
- kryl
- absorbance
- Prior art date
Links
- 238000002835 absorbance Methods 0.000 claims description 29
- 239000013078 crystal Substances 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 241000239366 Euphausiacea Species 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000011481 absorbance measurement Methods 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/343—Paper pulp
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8101741A SE450528B (sv) | 1981-03-19 | 1981-03-19 | Forfarande for metning av innehallet av kryll i pappersmassa |
SE8101741 | 1981-03-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI820943L FI820943L (fi) | 1982-09-20 |
FI71430B FI71430B (fi) | 1986-09-09 |
FI71430C true FI71430C (fi) | 1986-12-19 |
Family
ID=20343369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI820943A FI71430C (fi) | 1981-03-19 | 1982-03-18 | Foerfarande foer maetning av finmaterial i pappersmassa |
Country Status (7)
Country | Link |
---|---|
US (1) | US4514257A (fr) |
EP (1) | EP0062620B1 (fr) |
JP (1) | JPS57168142A (fr) |
CA (1) | CA1168893A (fr) |
DE (2) | DE62620T1 (fr) |
FI (1) | FI71430C (fr) |
SE (1) | SE450528B (fr) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4758308A (en) * | 1985-03-05 | 1988-07-19 | Carr Wayne F | System for monitoring contaminants with a detector in a paper pulp stream |
JPH076985B2 (ja) * | 1986-11-28 | 1995-01-30 | 株式会社島津製作所 | 抗原−抗体反応の測定法 |
US4886576A (en) * | 1987-12-16 | 1989-12-12 | Boise Cascade Corporation | Method and apparatus for producing uniform pulp yields by controlling the operation of a refiner |
US5123731A (en) * | 1988-02-01 | 1992-06-23 | Canon Kabushiki Kaisha | Particle measuring device |
US4837446A (en) * | 1988-03-31 | 1989-06-06 | International Paper Company | Apparatus and process for testing uniformity of pulp |
JP2583653B2 (ja) * | 1990-02-23 | 1997-02-19 | 憲仁 丹保 | 液体中に含まれる複数成分の凝集過程を検出する方法とその装置 |
US5227636A (en) * | 1991-09-16 | 1993-07-13 | University Corporation For Atmospheric Research | Dual path ultraviolet hygrometer |
FI91446C (fi) * | 1992-01-24 | 1994-06-27 | Abb Stroemberg Drives Oy | Menetelmä ja laitteisto hierteen freeneksen määrittämiseksi |
US5999256A (en) * | 1992-02-12 | 1999-12-07 | Cambridge Consultants Limited | Particle measurement system |
RU2045757C1 (ru) * | 1992-08-05 | 1995-10-10 | Астахов Александр Валентинович | Способ фотоседиментационного анализа дисперсности порошковых материалов однородного вещественного состава |
US5454912A (en) * | 1992-09-25 | 1995-10-03 | Dougherty; Steven J. | Suspension quality monitoring apparatus |
US5335067A (en) * | 1992-09-29 | 1994-08-02 | The United States Of America As Represented By The United States Department Of Energy | Spectrophotometric probe |
DE4410422C1 (de) * | 1994-03-25 | 1995-06-01 | Ruck Bodo Priv Doz Dr Ing | Verfahren und Vorrichtung zur Bestimmung des aerodynamischen Durchmessers von Teilchen |
EP0716299A4 (fr) * | 1994-06-27 | 1998-03-04 | Furukawa Electric Co Ltd | Appareil de detection de corps etrangers dans une matiere coulante |
DE19510008C2 (de) * | 1995-03-23 | 1997-01-30 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung |
FI115539B (fi) | 2001-02-23 | 2005-05-31 | Metso Automation Oy | Menetelmä ja järjestelmä paperikoneen tai vastaavan lyhyen kierron säädössä |
US7275415B2 (en) * | 2003-12-31 | 2007-10-02 | Honeywell International Inc. | Particulate-based flow sensor |
US7291824B2 (en) * | 2005-12-22 | 2007-11-06 | Palo Alto Research Center Incorporated | Photosensing throughout energy range and in subranges |
FI120163B (fi) * | 2005-04-04 | 2009-07-15 | Metso Automation Oy | Sakeuden muuttaminen ja mittaaminen |
US7386199B2 (en) * | 2005-12-22 | 2008-06-10 | Palo Alto Research Center Incorporated | Providing light to channels or portions |
US7358476B2 (en) * | 2005-12-22 | 2008-04-15 | Palo Alto Research Center Incorporated | Sensing photons from objects in channels |
US7420677B2 (en) * | 2005-12-22 | 2008-09-02 | Palo Alto Research Center Incorporated | Sensing photon energies of optical signals |
US7547904B2 (en) * | 2005-12-22 | 2009-06-16 | Palo Alto Research Center Incorporated | Sensing photon energies emanating from channels or moving objects |
US9164037B2 (en) * | 2007-01-26 | 2015-10-20 | Palo Alto Research Center Incorporated | Method and system for evaluation of signals received from spatially modulated excitation and emission to accurately determine particle positions and distances |
US8821799B2 (en) | 2007-01-26 | 2014-09-02 | Palo Alto Research Center Incorporated | Method and system implementing spatially modulated excitation or emission for particle characterization with enhanced sensitivity |
US8320983B2 (en) | 2007-12-17 | 2012-11-27 | Palo Alto Research Center Incorporated | Controlling transfer of objects affecting optical characteristics |
US8629981B2 (en) | 2008-02-01 | 2014-01-14 | Palo Alto Research Center Incorporated | Analyzers with time variation based on color-coded spatial modulation |
US8373860B2 (en) | 2008-02-01 | 2013-02-12 | Palo Alto Research Center Incorporated | Transmitting/reflecting emanating light with time variation |
US9029800B2 (en) | 2011-08-09 | 2015-05-12 | Palo Alto Research Center Incorporated | Compact analyzer with spatial modulation and multiple intensity modulated excitation sources |
US8723140B2 (en) | 2011-08-09 | 2014-05-13 | Palo Alto Research Center Incorporated | Particle analyzer with spatial modulation and long lifetime bioprobes |
US11214925B2 (en) | 2015-08-21 | 2022-01-04 | Pulmac Systems International, Inc. | Method of preparing recycled cellulosic fibers to improve paper production |
US10041209B1 (en) | 2015-08-21 | 2018-08-07 | Pulmac Systems International, Inc. | System for engineering fibers to improve paper production |
US10941520B2 (en) | 2015-08-21 | 2021-03-09 | Pulmac Systems International, Inc. | Fractionating and refining system for engineering fibers to improve paper production |
FI130825B1 (en) * | 2017-02-08 | 2024-04-09 | Valmet Automation Oy | The method and device determine the degree of decomposition of fiber particles into fine matter in the pulp |
SE2250861A1 (en) * | 2020-01-14 | 2022-07-07 | Valmet Automation Oy | Apparatus for and method of measuring suspension flowing in tube fractionator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3089382A (en) * | 1957-07-01 | 1963-05-14 | Shell Oil Co | Method and apparatus for analyzing fluids |
US3153722A (en) * | 1960-06-01 | 1964-10-20 | Ca Atomic Energy Ltd | Apparatus for determining the quantity of contaminant in a substance |
US3211961A (en) * | 1961-05-12 | 1965-10-12 | Ca Atomic Energy Ltd | Apparatus for determining the quantity of contaminant in a substance |
US3614450A (en) * | 1969-02-17 | 1971-10-19 | Measurex Corp | Apparatus for measuring the amount of a substance that is associated with a base material |
US3816241A (en) * | 1972-07-25 | 1974-06-11 | Westvaco Corp | Method and apparatus for feed-forward control of wood pulp refiners |
JPS509485A (fr) * | 1973-05-23 | 1975-01-30 | ||
SE387172B (sv) * | 1974-08-28 | 1976-08-30 | Svenska Traeforskningsinst | Anordning for metning av halten i en strommande vetska befintliga suspenderade emnen |
JPS5291483A (en) * | 1976-01-28 | 1977-08-01 | Hitachi Ltd | Multi-component analyzer |
US4159639A (en) * | 1977-11-18 | 1979-07-03 | Ishikawajima-Harima Heavy Industries Co., Ltd. | Apparatus and method for measuring the degree of refining of pulp fibers in the preparation of furnish for paper making |
SU739165A1 (ru) * | 1978-06-05 | 1980-06-05 | Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности | Способ управлени процессом размола волокнистых полуфабрикатов при высокой концентрации |
SE7806922L (sv) * | 1978-06-15 | 1979-12-16 | Svenska Traeforskningsinst | Forfarande och anordning for att indikera storleksfordelningen av i ett strommande medium befintliga partiklar |
GB2046898B (en) * | 1979-03-21 | 1983-01-26 | Tioxide Group Ltd | Method of measurement of particles |
DE2934190A1 (de) * | 1979-08-23 | 1981-03-19 | Müller, Gerhard, Prof. Dr.-Ing., 7080 Aalen | Verfahren und vorrichtung zur molekuelspektroskopie, insbesondere zur bestimmung von stoffwechselprodukten |
-
1981
- 1981-03-19 SE SE8101741A patent/SE450528B/sv not_active IP Right Cessation
-
1982
- 1982-03-10 DE DE198282850046T patent/DE62620T1/de active Pending
- 1982-03-10 EP EP82850046A patent/EP0062620B1/fr not_active Expired
- 1982-03-10 DE DE8282850046T patent/DE3266275D1/de not_active Expired
- 1982-03-12 US US06/357,476 patent/US4514257A/en not_active Expired - Fee Related
- 1982-03-18 FI FI820943A patent/FI71430C/fi not_active IP Right Cessation
- 1982-03-18 CA CA000398716A patent/CA1168893A/fr not_active Expired
- 1982-03-18 JP JP57043659A patent/JPS57168142A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1168893A (fr) | 1984-06-12 |
JPS6410773B2 (fr) | 1989-02-22 |
SE8101741L (sv) | 1982-09-20 |
EP0062620B1 (fr) | 1985-09-18 |
US4514257A (en) | 1985-04-30 |
JPS57168142A (en) | 1982-10-16 |
DE62620T1 (de) | 1983-01-05 |
DE3266275D1 (en) | 1985-10-24 |
FI820943L (fi) | 1982-09-20 |
FI71430B (fi) | 1986-09-09 |
EP0062620A1 (fr) | 1982-10-13 |
SE450528B (sv) | 1987-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SVENSKA TRAEFORSKNINGSINSTITUTET |